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Diffstat (limited to 'intern/moto/include/MT_Plane3.h')
-rw-r--r-- | intern/moto/include/MT_Plane3.h | 139 |
1 files changed, 139 insertions, 0 deletions
diff --git a/intern/moto/include/MT_Plane3.h b/intern/moto/include/MT_Plane3.h new file mode 100644 index 00000000000..bb9dd9e4f79 --- /dev/null +++ b/intern/moto/include/MT_Plane3.h @@ -0,0 +1,139 @@ +/** + * $Id$ + * ***** BEGIN GPL/BL DUAL LICENSE BLOCK ***** + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. The Blender + * Foundation also sells licenses for use in proprietary software under + * the Blender License. See http://www.blender.org/BL/ for information + * about this. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software Foundation, + * Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + * + * The Original Code is Copyright (C) 2001-2002 by NaN Holding BV. + * All rights reserved. + * + * The Original Code is: all of this file. + * + * Contributor(s): none yet. + * + * ***** END GPL/BL DUAL LICENSE BLOCK ***** + */ + +#ifndef MT_PLANE3 + +#define MT_PLANE3 + +#include "MT_Tuple4.h" +#include "MT_Point3.h" + +/** + * A simple 3d plane class. + * + * This class represents a plane in 3d. The internal parameterization used + * is n.x + d =0 where n is a unit vector and d is a scalar. + * + * It inherits data from MT_Tuple4 please see this class for low level + * access to the internal representation. + * + */ + +class MT_Plane3 : public MT_Tuple4 +{ +public : + /** + * Constructor from 3 points + */ + + MT_Plane3( + const MT_Vector3 &a, + const MT_Vector3 &b, + const MT_Vector3 &c + ); + /** + * Construction from vector and a point. + */ + + MT_Plane3( + const MT_Vector3 &n, + const MT_Vector3 &p + ); + + /** + * Default constructor + */ + MT_Plane3( + ); + + /** + * Default constructor + */ + + MT_Plane3( + const MT_Plane3 & p + ): + MT_Tuple4(p) + { + } + + /** + * Return plane normal + */ + + MT_Vector3 + Normal( + ) const; + + /** + * Return plane scalar i.e the d from n.x + d = 0 + */ + + MT_Scalar + Scalar( + ) const ; + + /** + * Invert the plane - just swaps direction of normal. + */ + void + Invert( + ); + + /** + * Assignment operator + */ + + MT_Plane3 & + operator = ( + const MT_Plane3 & rhs + ); + + /** + * Return the signed perpendicular distance from a point to the plane + */ + + MT_Scalar + signedDistance( + const MT_Vector3 & + ) const; + + +}; + +#ifdef GEN_INLINED +#include "MT_Plane3.inl" +#endif + + +#endif + + |